P1185 Volkswagen Code - Linear Oxygen Sensor Common Ground Short To Ground
Quick Answer
The P1185 code for Volkswagen vehicles indicates a Linear Oxygen Sensor Common Ground Short To Ground. Common causes include Wiring harness damage or corrosion, Faulty linear oxygen sensor, ECM malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1185 Volkswagen indicates Linear Oxygen Sensor Common Ground Short To Ground.
- Common causes
- Common causes include Wiring harness damage or corrosion, Faulty linear oxygen sensor, ECM malfunction.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1185 Volkswagen Description
The P1185 code for Volkswagen vehicles indicates a Linear Oxygen Sensor Common Ground Short To Ground. This means that there is an issue with the common ground for the linear oxygen sensor, which is responsible for monitoring the exhaust gases and providing feedback to the engine control module (ECM) for proper fuel mixture adjustments. The common ground is the reference point for the sensor's electrical circuit, and if it is shorted to ground, it can lead to inaccurate sensor readings and affect the engine's performance.
Common Causes of P1185 Volkswagen
- Wiring harness damage or corrosion
- Faulty linear oxygen sensor
- ECM malfunction
- Poor electrical connection
- Short circuit in the common ground circuit
Symptoms of P1185 Volkswagen
- Decreased fuel efficiency
- Rough idle
- Hesitation during acceleration
- Increased emissions
- Check Engine Light illuminated
How to Fix P1185 Volkswagen
- Diagnose the issue by using a scan tool to verify the P1185 code and inspect the wiring harness and sensor connections for any visible damage or corrosion.
- Test the linear oxygen sensor's resistance and voltage output to determine if it is functioning properly.
- Check the common ground circuit for any short circuits or poor connections, and repair or replace as needed.
- Clear the diagnostic trouble codes from the ECM and road test the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostic testing may be needed to pinpoint the exact cause of the common ground short to ground.
Cost to Fix P1185 Volkswagen
The typical repair costs for addressing a P1185 code in a Volkswagen vehicle can range from $150 to $400, including parts and labor. However, it's important to note that actual costs can vary depending on the specific diagnosis time and labor rates at auto repair shops. Rates may be higher in metropolitan areas or at dealerships, while independent shops often charge less. It's recommended to obtain quotes from multiple sources to get a more accurate estimate for this repair.
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